FORD CD4E - Intermittent Trouble Code 628 Or p0741

COMPLAINT: Vehicle exhibits an intermittent Diagnostic Trouble Code 628, or OBD Code P0741, and when the code is stored in the PCM memory, you will have a flashing OD Cancel indicator lamp and harsh shifts will occur. This DTC is a "Torque Converter Clutch Engagement Error".

CAUSE: The cause may be, a "Blown" pump body gasket

CORRECTION:

Beginning in January 1997, all CD4E transaxles will contain a new design level Oil Pump Assembly which includes a revised Pump Support, revised Pump Body Gasket and a revised Pump Seperator Plate. This new design Pump Assembly will eliminate the "Blown" gasket concern. We have included all OEM part numbers in "Service Information" below to aquire the new design level parts.

PUMP SPACER PLATE - New design level has two less holes.

PUMP BODY GASKET - New design level has two less holes and is identified with a White stripe and part number on the gasket.

PUMP SUPPORT - New design level has different cavities and we have highlighted the cavities that are different for identification purposes. Here also recommend some hot car diagnostic tools: Launch CReader V and digimaster 3.